package com.cloudfun.campusshare.util;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

import java.util.Objects;

/**
 * @author : zhangyongjie
 * @version : 1.0
 * @createTime : 2020/6/6 11:41
 * @description :
 */
@Component
public class SpringBeanUtil implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if(Objects.isNull(SpringBeanUtil.applicationContext)){
            SpringBeanUtil.applicationContext = applicationContext;
        }
    }

    public static Object getBean(String name){
        return applicationContext.getBean(name);
    }

    public static <T> T getBean(Class<T> clazz){
        return applicationContext.getBean(clazz);
    }
}
